Search a number
-
+
55979747396 = 22131359297581
BaseRepresentation
bin110100001000101001…
…110010100001000100
312100111022202210221122
4310020221302201010
51404121303404041
641414452133112
74021142000426
oct641051624104
9170438683848
1055979747396
1121817120851
12aa23607198
1353818973b1
1429d098a816
1516c982bc4b
hexd08a72844

55979747396 has 24 divisors (see below), whose sum is σ = 98987676480. Its totient is φ = 27698746400.

The previous prime is 55979747387. The next prime is 55979747399. The reversal of 55979747396 is 69374797955.

It is not an unprimeable number, because it can be changed into a prime (55979747399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39326 + ... + 336906.

It is an arithmetic number, because the mean of its divisors is an integer number (4124486520).

Almost surely, 255979747396 is an apocalyptic number.

It is an amenable number.

55979747396 is a deficient number, since it is larger than the sum of its proper divisors (43007929084).

55979747396 is a wasteful number, since it uses less digits than its factorization.

55979747396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298075 (or 298073 counting only the distinct ones).

The product of its digits is 450084600, while the sum is 71.

The spelling of 55979747396 in words is "fifty-five billion, nine hundred seventy-nine million, seven hundred forty-seven thousand, three hundred ninety-six".

Divisors: 1 2 4 131 262 359 524 718 1436 47029 94058 188116 297581 595162 1190324 38983111 77966222 106831579 155932444 213663158 427326316 13994936849 27989873698 55979747396